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Citation: YANG Jing, CUI Shi-Hai, LIAN Hong-Zhen. Preparation of Magnetical Photocatalyst Fe3O4/C/TiO2 for Degradation of2,4,6-Trichlorophenol in Aqueous Solution[J]. Chinese Journal of Inorganic Chemistry, ;2013, 29(10): 2043-2048. doi: 10.3969/j.issn.1001-4861.2013.00.332 shu

Preparation of Magnetical Photocatalyst Fe3O4/C/TiO2 for Degradation of2,4,6-Trichlorophenol in Aqueous Solution

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    1 Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210097, China;

  • Received Date: 27 March 2013
    Available Online: 17 May 2013

    Fund Project: 国家重点基础研究发展计划(973计划)(No.2009CB421601,2011CB911003) (973计划)(No.2009CB421601,2011CB911003)国家自然科学基金(No.21275069,21177061) (No.21275069,21177061)江苏省高校自然科学基金(No.11KJB150008)江苏高校优势学科建设工程资助项目。 (No.11KJB150008)

  • Aseparable magnetic photocatalyst (Fe3O4/C/TiO2) was prepared by a hydrothermal reaction with the reaction of FeCl3, glucose and tetrabutyltitanate. The catalyst Fe3O4/C/TiO2 was characterized in terms of particle size, morphology and phase by transmission electron microscopy (TEM), energy dispersive X-ray (EDX) spectrometry, vibration sample magnetometry (VSM), X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). The catalytic activities and mechanism were evaluated by degradation of 2,4,6-trichlorophenol (TCP) aqueous solution. The reaction mechanism was investigated by the fluorescence technique. The results indicate that the catalyst has high degradation abilities and can be easily separated and reused by an external magnetic field. TCPcan be effectively degraded by 97.9% in the use of 1 g·L-1 Fe3O4/C/TiO2 under 18 W UVlight within50 min. Adegradation rate of 95.1% can be maintained after 6 cycles. The hydroxyl radicals (OH) have been detected in the reaction.
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